Question

Scientists tracking the populations of certain freshwater fish have found an increase in the female to male ratio of several smaller fish species over the last 10 years. One group of scientists have analyzed the data and hypothesized that medications in wastewater have contributed to this change in fish populations. Another group of scientists have hypothesized that this population trend is part of a cycle related to climate and ecosystem changes. If these two groups of scientists have access to the same population data, why have they formed two very different hypotheses?

Answer 1

A hypothesis tries to explain a data at hand. It is an educated guess which is testable and falsifiable. To test a hypothesis scientists carry out experiments following the scientific protocol. Based on the data obtained in the controlled experiments hypothesis are either proven correct or incorrect.

Answer 2

I believe that the answer to the question provided above is that they formed two very different hypotheses since it is what they saw according to what they knew. Also hypothesis is just an intelligent guess.
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